ICD-10 diagnosis code

N64.8 Other specified disorders of breast

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N64.8 is the ICD-10 code for Other specified disorders of breast. It is a four-character subcategory of N64 (Other disorders of breast), the most specific level in the WHO edition. It belongs to the block N60–N64 (Disorders of breast) in Chapter XIV, Diseases of the genitourinary system.

Code type
Subcategory (4 characters)
Chapter
XIV · N00–N99
Classification
WHO ICD-10, 2019 version

What N64.8 includes

Conditions and terms that are coded here.

  • Galactocele
  • Subinvolution of breast (postlactational)

N64.8 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

NorwayICD-10-NO

N64.8Annen spesifisert tilstand i bryst

DenmarkICD-10-DK

DN648Anden sygdom i mamma

  • DN648ADeformatio mammae
  • DN648DGalaktocele
  • DN648ESubinvolutio mammae
  • DN648FUlcus mammae
  • DN648GFremmedlegeme i mamma
  • DN648HPtosis mammae
FinlandICD-10-FI

N64.8Muu rintarauhasen sairaus

GermanyICD-10-GM

N64.8Sonstige näher bezeichnete Krankheiten der Mamma

FranceICD-10-FR

N64.8Autres affections précisées du sein

NetherlandsICD-10-NL

N64.8overige gespecificeerde aandoeningen van mamma

United StatesICD-10-CM

Listed through more specific codes:

  • N64.81Ptosis of breast
  • N64.82Hypoplasia of breast
  • N64.89Other specified disorders of breast

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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